Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

GASTRIN, SERUM

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2340         Geisinger Epic ID: 45911

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL frozen serum, minimum 0.5 mL
Special notes:
This test requires a separate frozen aliquot. It cannot be combined with other testing.
Patient preparation:
Overnight fasting for a minimum of 12 hours is required.

SPECIMEN PROCESSING
Transport temperature:
Frozen
Specimen stability:
Room temperature: Unacceptable. Refrigerated: Unacceptable. Frozen: 28 days
Rejection criteria:
Thawed specimens. Gross hemolysis. Gross lipemia. Grossly icteric.

TEST DETAILS
Reference interval:
Reference range applies to fasting specimen only.
<5 years Not established
5-17 years <65 pg/mL
≥ 18 years ≤ 100 pg/mL
CPT code(s):
82941
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Immunoassay
Synonyms:
Quest code 478
GASTRN
Clinical significance:
For the diagnosis and monitoring of gastrin-secreting tumors, gastric ulcer, Zollinger-Ellison syndrome. Increased in pernicious anemia.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Setup Monday-Friday. Report available next day.    
Performed stat? No
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